Solapur (pronunciation) is a city located in the south-western region of the Indian state of Maharashtra, close to its border with Karnataka. Solapur is located on major highway, rail routes between Mumbai, Pune, Bangalore and Hyderabad, with a branch line to the cities of Kalaburagi and Vijayapura in the neighbouring state of Karnataka. Solapur International Airport is under construction. It is classified as A1 Tier and B-1 class city by House Rent Allowance (HRA) classification by the Government of India. It is the seventh biggest Metropolis Urban Agglomeration and 11th most populated city in Maharashtra as well as 43rd largest urban agglomeration and 49th most populous city in India.